Are Pollsters Thorough Enough?

One thing was clear from this years presidential election: education was everything. Yet according to five thirty eight, it's possible that pollsters may not have reached enough non-college voters when conducting surveys pre-election. This could explain why the media was so surprised when Trump won. Five thirty eights analysis is back up by pew research that suggests the same. Polls are never perfect. Response bias can run along age, gender and racial lines.